CoPS - Cooperative Provenance System with ZKP using Ethereum Blockchain Smart Contracts

Navya Gouru and NagaLakshmi Vadlamani
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Navya Gouru: GITAM (Deemed to be University), Visakhapatnam, India
NagaLakshmi Vadlamani: GITAM (Deemed to be University), Visakhapatnam, India

International Journal of Distributed Systems and Technologies (IJDST), 2018, vol. 9, issue 4, 40-53

Abstract: The redesign of cloud storage with the amalgamation of cooperative cloud and an immutable and unhackable distributed database blockchain thrives towards a strong CIA triad and secured data provenance. The conspiracy ideology associated with the traditional cloud has economized with cooperative cloud storage like Storj and Sia, decentralized storage, which allows renting the unused hard drive space and getting monetary compensation in an exchange with cryptocurrency. In this article, the authors explain how confidentiality, integrity and availability can be progressed with cooperative cloud storage along with tamper-proof data provenance management with ethereum smart contracts using zero-knowledge proof (ZKP). A contemporary architecture is proposed with regards to storing data on the cooperative cloud and collecting and verifying the provenance data from the cloud and publishing the provenance data into blockchain network as transactions.

Date: 2018
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